Health / Medical Topics |
Anaplastic Large Cell Lymphoma, ALK-Positive
A T-cell peripheral lymphoma composed of usually large, pleomorphic, CD30 positive T-lymphocytes with abundant cytoplasm characterized by the presence of a translocation involving the ALK gene and expression of ALK fusion protein. Most patients present with peripheral and/or abdominal lymphadenopathy, and often have advanced disease and extranodal involvement. (NCI Thesaurus)
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